portsmouth shopping study update on behalf of city council december 2004 volume 1 main report and appendices colliers cre research & consultancy contents page introduction terms reference background to the 2 approach 3 structure 4 retailing trends national context 6 periods rapid change recession 9 improving fortunes further evolution 10 current planning policy 12 out town leisure 13 future centre implications for centres 16 e 17 retail outlook 18 summary 20 sub regional patterns 22 assessment economy household survey methodology catchment area definition hierarchy 24 27 dominancy 28 characteristics shopper behaviour 29 local qualitative need 33 provision within district 34 southsea 40 gunwharf quays 43 cosham 45